Thea Energy
Reinventing the Stellarator
Kearny, United States · Founded 2022 · $140.0M raised
- Headquarters
- Kearny, New Jersey
- Employees
- 51–200
- Founded
- 2022
- Business Model
- B2B
- Website
- thea.energy
- Total Funding
- $140.0M
- Last Round
- $100.0M Series BMay 2026
- Rounds
- 3
About
Thea Energy leverages breakthroughs in stellarator physics and engineering to commercialize fusion energy. Founded in 2022 from Princeton University research, the company builds planar-coil stellarator systems using mass-manufacturable magnets and software controls to deliver scalable, steady-state, zero-emission baseload power.
Summary
Thea Energy is a Clean Energy company based in Kearny, United States, founded in 2022. It has raised $140.0M in total across 3 rounds, most recently a $100.0M Series B round in May 2026. Investors include Prelude Ventures, U.S. Innovative Technology Fund and Hitachi Ventures.
Tech & App Stack
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Funding History
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May 2026
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Seed through Series B — per-round amounts, valuations, and who invested in each round.
Investors
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